121203442 has 8 divisors (see below), whose sum is σ = 182286000. Its totient is φ = 60441444.

The previous prime is 121203437. The next prime is 121203463. The reversal of 121203442 is 244302121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79192 + ... + 80707.

It is an arithmetic number, because the mean of its divisors is an integer number (22785750).

Almost surely, 2^121203442 is an apocalyptic number.

121203442 is a deficient number, since it is larger than the sum of its proper divisors (61082558).

121203442 is a wasteful number, since it uses less digits than its factorization.

121203442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160280.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 121203442 is about 11009.2434799127. The cubic root of 121203442 is about 494.8857907445.

Adding to 121203442 its reverse (244302121), we get a palindrome (365505563).

The spelling of 121203442 in words is "one hundred twenty-one million, two hundred three thousand, four hundred forty-two".